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PROVISIONS - Contingent Asset - "AFA Plus Project" Claim (Details) $ in Millions	Dec. 19, 2018 ARS ($)
AFA Plus Project
Provisions
Claims brought for prejudicial mediation procedure	$ 353

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The amount claimed for prejudicial mediation procedure.

+ References

No definition available.

+ Details

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Namespace Prefix:	teo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

Name:	teo_IfrsProjectAxis=teo_AfaPlusProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: